Rocket Science

5. moving unsteadily or violently
6. he action of pulling something forcefully or with difficulty
7. was one of the most important rocket developers and champions of space exploration during the period between the 1930s and the 1970s.
8. the propulsive force of a jet or rocket enginelaminar
9. a cylindrical projectile that can be propelled to a great height or distance by the combustion of its contents, used typically as a firework or signal
12. a substance that propels something
13. also known as the law of inertia
14. the speed of something in a given direction
15. takeoff, especially the vertical takeoff of a rocket or helicopter.

1. behavior of objects for which all existing forces are not balanced
2. a point from which the weight of a body or system may be considered to act. In uniform gravity it is the same as the center of mass
3. for every action has an equal and opposite reaction
4. Dr. Robert H. Goddard is considered the father of practical modern rocketry and space flight.
10. a small rocket engine on a spacecraft, used to make alterations in its flight path or altitude
11. Motors for rockets and high powered rockets are classified by total impulse
16. center of pressure is the point where the total sum of a pressure field acts on a body, causing a force to act through that point.